#691EA1
Closest named color: Rebecca Purple (#663399). oklch(42.7% 0.194 305.1), rgb(105, 30, 161).
Aa
White text reads best on this color (9.12:1).
About this color
#691EA1 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.194 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.036 away. White text reads best on it, at 9.12:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.194) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #691EA1 |
| RGB | rgb(105, 30, 161) |
| HSL | hsl(274, 69%, 37%) |
| OKLCH | oklch(42.7% 0.194 305.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #691EA1 | 9.12:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #691EA1 | 2.30:1 | Fails | Lc 14.1 | Not readable |
| #691EA1 text on white | 9.12:1 | AAA | Lc 89.8 | Fine for body text |
| #691EA1 text on black | 2.30:1 | Fails | Lc -12.4 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#EFE5FC
oklch(93.7% 0.032 305.3)
-
Step 200
200
#E3CFFB
oklch(88.5% 0.063 305.7)
-
Step 300
300
#D2AEFB
oklch(80.9% 0.113 305.4)
-
Step 400
400
#BB7EFA
oklch(70.6% 0.182 304.9)
-
Step 500
500
#AB56F6
oklch(63.1% 0.231 305)
-
Step 600
600
#9730E5
oklch(55.6% 0.251 305)
-
Step 700
700
#811EC7
oklch(49.1% 0.234 305)
-
Step 800
800 (this color)
#691EA1
oklch(42.7% 0.194 305.1)
-
Step 900
900
#552280
oklch(37.8% 0.151 304.9)
-
Step 950
950
#32164B
oklch(27.1% 0.095 305.2)
#691EA1 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0046A5 | 0.142 |
| Deuteranopia (no green cones) | #00489E | 0.145 |
| Tritanopia (no blue cones) | #5E4160 | 0.137 |
| Achromatopsia (no color) | #484848 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #691EA1
#691EA1
oklch(42.7% 0.194 305.1)
- #415800
#415800
oklch(42.6% 0.107 125.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #691EA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.036
- Grape #7209B7 ΔE 0.040
- Chrysanthemum #560BAD ΔE 0.051
- Imperial Purple #480CA8 ΔE 0.075
- Purple #800080 ΔE 0.078
- Purple Blue #5D21D0 ΔE 0.082
- Dark Magenta #8B008B ΔE 0.084
- Bluey Purple #6241C7 ΔE 0.087
Use #691EA1 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.